def main():
T = 10
Q2 = 100
X = np.linspace(1e-3, 0.4)
CJ = COMPOSER(name="CJ15_NLO_KP_AV18")
d = CJ.get_xpdf("db-ub", X=X, Q2=Q2)
ax = py.subplot(111)
p1, = ax.plot(X, d["xf0"] / X, color="r", ls="-")
p2 = fill_between(
X,
(d["xf0"] - d["dxf-"] * T) / X,
(d["xf0"] + d["dxf+"] * T) / X,
ax=ax,
facecolor="r",
edgecolor="none",
alpha=0.5,
)
H = [(p2, p1)]
L = [tex("CJ15") + "\ $(T=%d)$" % T]
ax.legend(H, L, loc=1, frameon=0, fontsize=20)
ax.set_ylim(-0.2, 1.2)
ax.axhline(0, ls="--", color="k", alpha=0.5)
py.savefig("gallery/db_ub.pdf")
import numpy as np
import pylab as py
import tools
from tools import tex,plot_band,fill_between
import lhapdf
import matplotlib.gridspec as gridspec
from matplotlib import rc
rc('font',**{'family':'sans-serif','sans-serif':['Helvetica']})
rc('text',usetex=True)
from master import COMPOSER,FITPACK,COMPOSER4NNPDF
##################################################
#NNPDF=COMPOSER4NNPDF('NNPDF30_nlo_as_0118')
NNPDF=COMPOSER4NNPDF('NNPDF30_nlo_as_0118_nolhc_1000')
MMHT14=COMPOSER('MMHT2014nlo68cl')
ax=py.subplot(111)
Q2=1
#X=np.linspace(1e-3,1,100)
X=10**np.linspace(-3,0,100)
D=NNPDF.get_xpdf('s',X=X,Q2=Q2)
ax.plot(X,D['xf0'],'r-',label='NNPDF')
ax.plot(X,D['xf0']-D['dxf-'],'r:')
ax.plot(X,D['xf0']+D['dxf+'],'r:')
D=MMHT14.get_xpdf('s',X=X,Q2=Q2)
ax.plot(X,D['xf0'],'b-',label='MMHT')
ax.plot(X,D['xf0']-D['dxf-'],'b:')
ax.plot(X,D['xf0']+D['dxf+'],'b:')
sys.path.insert(1,'../../')
import numpy as np
import pylab as py
import lhapdf
from tools import tex, fill_between
import matplotlib.gridspec as gridspec
from matplotlib import rc
rc('font',**{'family':'sans-serif','sans-serif':['Helvetica']})
rc('text',usetex=True)
from master import FITPACK, COMPOSER
# define x values
X=np.linspace(1e-3,0.9,1000)
# initialize composer
CJ=COMPOSER(name='CJ12min',X=X)
#CJ.map_X() # optional
# get glue
# note: the output is a dictionary where
# key='f0' -> central PDF
# key='df' -> symmetric error
# key='df+' -> asymmetric error (+)
# key='df0' -> asymmetric error (-)
u=CJ.get_xpdf(flav='u',Q2=10.0)
print u.keys()
# these lines add latex typefont.
# is kind of slow, so uncomment while a plot is been coded
#from matplotlib import rc
def ratio():
###############################
# plot geometry
###############################
# set gloabl figure dimensions
nrows=3
ncols=2
py.figure(figsize=(ncols*4,nrows*3))
# construct LR AXs for each flav
AX={}
# left side LR panels
gs = gridspec.GridSpec(nrows,ncols)
gs.update(left=0.1,right=0.48,wspace=0,hspace=0.3,\
top=0.98,bottom=0.05)
AX['u'] =get_LR(gs[0,0],gs[0,1])
AX['ub']=get_LR(gs[1,0],gs[1,1])
AX['s'] =get_LR(gs[2,0],gs[2,1])
# right side LR panels
gs = gridspec.GridSpec(nrows,ncols)
gs.update(left=0.58,right=0.98,wspace=0,hspace=0.3,\
top=0.98,bottom=0.05)
AX['d'] =get_LR(gs[0,0],gs[0,1])
AX['db']=get_LR(gs[1,0],gs[1,1])
AX['g'] =get_LR(gs[2,0],gs[2,1])
###############################
# plot content
###############################
# initialize composer for each pdf set
CJ=COMPOSER('CJ15_NLO_KP_AV18')
HERA15=COMPOSER('HERAPDF15NLO_EIG')
MMHT14=COMPOSER('MMHT2014nlo68cl')
NNPDF=COMPOSER4NNPDF('NNPDF30_nlo_as_0118')
#CT10=COMPOSER('CT10nlo')
Q2=10
for flav in ['u','d','ub','db','s','g']:
print 'plotting '+flav
# the output of plot used to construct specialized
# legend marker
p1=plotI(AX,Q2,CJ,CJ,flav,'yellow','-',T=10,\
hatch=None,alpha=0.4,facecolor='yellow',edgecolor='yellow')
p2=plotI(AX,Q2,CJ,CJ,flav,'r','-',T=1,\
hatch=None,alpha=1.0,facecolor='r',edgecolor='none')
p3=plotI(AX,Q2,CJ,MMHT14,flav,'b','-',T=1,\
hatch='...',alpha=0.4,facecolor='none',edgecolor='b')
p4=plotI(AX,Q2,CJ,HERA15,flav,'g','-',T=1,\
hatch='...',alpha=0.4,facecolor='none',edgecolor='g')
p5=plotI(AX,Q2,CJ,NNPDF,flav,'m','-',T=1,\
hatch='...',alpha=0.4,facecolor='none',edgecolor='m')
#p5=plotI(AX,Q2,CJ,CT10,flav,'k','-',T=1,\
# hatch='\\',alpha=0.4,facecolor='none',edgecolor='k')
# print single PDF as a function of x (grafted onto ratio.py code)
if flav=='db':
X=np.linspace(0.01,1.0,100)
mm=MMHT14.get_xpdf(flav,X=X,Q2=4.0)
t=1
for i in range(X.size):
l='%0.2f %0.2e %0.2e %0.2e'
print l%(X[i],X[i]*mm['xf0'][i],X[i]*mm['dxf-'][i]*t,X[i]*mm['dxf+'][i]*t)
#l='%0.2f %0.2e %0.2e'
#print l%(X[i],X[i]*mm['xf0'][i],X[i]*mm['dxf'][i]*t)
ax=py.subplot(111)
ax.plot(X,X*mm['xf0'],'r-')
ax.plot(X,X*mm['xf0']-X*mm['dxf-']*t,'r:')
ax.plot(X,X*mm['xf0']+X*mm['dxf+']*t,'r:')
#ax.plot(X,X*mm['xf0']-mm['dxf']*t,'r:')
#ax.plot(X,X*mm['xf0']+mm['dxf']*t,'r:')
py.show()
sys.exit()
#retrieve LR ax for further proccesing
axL,axR=AX[flav]
# plot specialized legend marker at the specific flav panel
if flav=='d':
H=[p1,p2,p3,p4,p5]
L=[tex('CJ15')+'\ ($T=10$)'\
,tex('CJ15')+'\ ($T=1$)'\
,tex('MMHT14')\
,tex('HERA15')\
,tex('NNPDF3.0')]
# ,tex('CT10')]
axR.legend(H,L,frameon=0,fontsize=11,\
bbox_to_anchor=(0.05, 1.0))
if flav=='u':
axR.text(0.1,0.85,'$Q^2=%0.0f$'%(Q2)+tex('~GeV^2'),\
transform=axL.transAxes,size=15)
# plot some text at specific flav panel
#if flav=='d':
# axL.text(0.06,0.1,'$T=10$',transform=axL.transAxes,size=20)
# set ylims
if flav=='u':
ymin,ymax=0.795,1.205
if flav=='d':
ymin,ymax=0.6,1.7
if flav=='s':
ymin,ymax=0.6,1.9
if flav=='g' or flav=='ub' or flav=='db':
ymin,ymax=0.7,1.3
#axL.set_yticks(np.arange(0.2,2.0,0.4))
axL.set_ylim(ymin,ymax)
axR.set_ylim(ymin,ymax)
# set x axis
axL.semilogx()
axL.set_xticks(10**np.linspace(-4,-2,3))
if flav=='u' or flav=='d':
axR.set_xticks(np.arange(0.1,1.1,0.2))
axR.set_xlim(0.1,0.95)
else:
axR.set_xticks(np.arange(0.1,0.4,0.1))
axR.set_xlim(0.1,0.4)
# set labels
if flav=='db': _flav=r'\bar{d}'
elif flav=='ub': _flav=r'\bar{u}'
else: _flav=flav
axL.set_ylabel(r'$%s/%s$\large$_{\rm CJ15}$'%(_flav,_flav),size=20)
axL.set_xlabel('$x$',size=20)
axL.xaxis.set_label_coords(1.0,-0.08,transform=axL.transAxes)
py.savefig('gallery/ratio.pdf')